/Engine/Source/Runtime/Engine/Public/Animation/AnimInstanceProxy.h
Check for whether a native entry delegate is bound to the specified state.
bool HasNativeStateEntryBinding ( const [FName](API\Runtime\Core\UObject\FName) & MachineName, const [FName](API\Runtime\Core\UObject\FName) & StateName, [FName](API\Runtime\Core\UObject\FName) & OutBindingName )